From 4c9c26f1e67648f41f28f8c997c5c9467a3dbbe4 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 21 Jun 2021 13:12:36 +0200 Subject: [PATCH] x86/xen: Fix noinstr fail in exc_xen_unknown_trap() Fix: vmlinux.o: warning: objtool: exc_xen_unknown_trap()+0x7: call to printk() leaves .noinstr.text section Fixes: 2e92493637a0 ("x86/xen: avoid warning in Xen pv guest with CONFIG_AMD_MEM_ENCRYPT enabled") Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/20210621120120.606560778@infradead.org --- arch/x86/xen/enlighten_pv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index e87699a..0314942 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -592,8 +592,10 @@ DEFINE_IDTENTRY_RAW(xenpv_exc_debug) DEFINE_IDTENTRY_RAW(exc_xen_unknown_trap) { /* This should never happen and there is no way to handle it. */ + instrumentation_begin(); pr_err("Unknown trap in Xen PV mode."); BUG(); + instrumentation_end(); } #ifdef CONFIG_X86_MCE -- 2.7.4